c. 1977-1980
15 x 15 x 8.5 cm (5 7/8 x 5 7/8 x 3 3/8 in.)
Metal
20th centuryGermanElectrotype, copper, silver, and silver-gilt, nautilus shell
20th centuryGerman
Nickel silver and ebony
20th centuryGermanMetal
20th centuryGermanMetal
20th centuryGerman
Nickel silver and ebony
20th centuryGermanMetal
20th centuryGermanCeramic
20th centuryGermanMetal
20th centuryGermanMetal
20th centuryGermanMetal
20th centuryGermanMetal
20th centuryGerman